import { getToken, clearUserCache } from '@/utils/mysuth';
import axios from 'axios'
import { MessageBox, Message,setToken } from 'element-ui'
// 没有必要再次安装 项目本身就有依赖
import qs from 'qs';
import router from '@/router/index'

const serveHost = 'http://www.bufantec.com';
// create an axios instance
const service = axios.create({
  baseURL: serveHost, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    var token = getToken()
    if (token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['bufan-token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    if (res.tokenCode == 5000 || res.tokenCode == 5001) {
      Message({
        message: '登录超时,重新登录',
        type: 'error',
        duration: 5 * 1000,

      })
      clearUserCache();
      router.push('/login')
      return Promise.reject(new Error('Error'))

    }

    if(res.tokenCode==5002){
      setToken(res.refresh_token)
    }
      return res
    

    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',
    //       cancelButtonText: 'Cancel',
    //       type: 'warning'
    //     }).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }
    // return res
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)
// 返回了promise类型
// {
//     url: '/admin/xy/student/list',
//     method: 'get',
//     params
//   }

function http(options) {
  var axiosOptions = {
    url: options.url,
    method: options.method
  };
  // 因为get和post对传递参数的封装形式是不同的 所以在这里做一个区分
  if (options.method.toLowerCase() == 'get') {
    axiosOptions.params = options.params
  } else {
    // 格式化数据 把数据转换成 form-data类型 
    axiosOptions.headers = {
      'Content-Type': 'application/x-www-form-urlencoded'
    }
    // 还需要通过qs对数据对象进行格式化 
    // https://www.npmjs.com/package/qs
    // allowDots: true:  { a: { b: { c: 'd', e: 'f' } } }  ==> 'a.b.c=d&a.b.e=f'
    axiosOptions.data = qs.stringify(options.params, { allowDots: true })
  }

  return service(axiosOptions);
}

export default http


